| Acronym | Meaning |
| MJD | Modified Julian Day |
| RDECOM | (U.S.) Research |
| LTZ | Luxembourgish Language (ISO 639-2 Code) |
| VM | Vietnam (FIPS 10-4 Country Code) |
| PVC | Permanent Virtual Circuit - PolyVinyl Chloride - Premature Ventricular Contraction - Primary Visual Cortex |
| ST | Saint Lucia (FIPS 10-4 Country Code) - S?o Tom? And PrĀncipe (ISO 3166 Digram) |
| LY | Libya (FIPS 10-4 Country Code; ISO 3166 Digram) - Lithuania (amateur Radio ITU Prefix) |
| UNICRI | United Nations Interregional Crime And Justice Research Institute |
| MOTO | Mail Order / Telephone Order - Master Of The Obvious |
| DDA | Digital Differential Analyzer - Deputy District Attorney |